DefaultStructuralActionContext = getResourceOrNull(graph, URIs.DefaultStructuralActionContext);\r
DefaultStructuralBrowseContext = getResourceOrNull(graph, URIs.DefaultStructuralBrowseContext);\r
DefaultStructuralImageContext = getResourceOrNull(graph, URIs.DefaultStructuralImageContext);\r
DefaultStructuralActionContext = getResourceOrNull(graph, URIs.DefaultStructuralActionContext);\r
DefaultStructuralBrowseContext = getResourceOrNull(graph, URIs.DefaultStructuralBrowseContext);\r
DefaultStructuralImageContext = getResourceOrNull(graph, URIs.DefaultStructuralImageContext);\r